Home / 1,211,074,638.50-1,671,283,641.50-654,157,684.42

Finding the Fourth Proportional to 1,211,074,638.50, 1,671,283,641.50 and 654,157,684.42

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Solution

The fourth proportional to 1,211,074,638.50, 1,671,283,641.50 and 654,157,684.42 is: 902,737,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,074,638.50 : 1,671,283,641.50 = 654,157,684.42 : x
  2. Step 2: Convert to fraction form
    1,211,074,638.50/1,671,283,641.50 = 654,157,684.42/x
  3. Step 3: Cross multiply
    1,211,074,638.50x = 1,671,283,641.50 × 654,157,684.42
  4. Step 4: Simplify right side
    1,211,074,638.50x = 1,093,283,036,932,665,344
  5. Step 5: Solve for x
    x = 1,093,283,036,932,665,344/1,211,074,638.50
  6. Step 6: Final answer
    x = 902,737,950.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.